OBD-II Scanners

Best OBD-II Scanners: Best 5 options in 2023

Modern vehicles are equipped with an onboard diagnostics system (OBD-II) that monitors the performance and health of various vehicle components. OBD-II scanners plug into the OBD-II port of your vehicle, allowing you to retrieve valuable information about its condition. Whether you’re a DIY enthusiast or a professional mechanic, having the right OBD-II scanner can save you time, money, and hassle.

In this article, we’ll explore the top 5 OBD-II scanners available in the market and provide a comprehensive buying guide to help you make an informed decision.

Why Do You Need an OBD-II Scanner?

OBD-II scanners offer a wide range of benefits. They enable you to:

  • Diagnose Issues: OBD-II scanners can identify the root cause of engine warning lights, enabling you to address problems promptly.
  • Save Money: By pinpointing issues early, you can prevent costly repairs down the line.
  • Perform Regular Maintenance: OBD-II scanners provide real-time data that helps you keep track of your vehicle’s health.
  • Monitor Performance: You can monitor various parameters, such as fuel efficiency and emission levels, to ensure optimal performance.
  • Understand Error Codes: OBD-II scanners interpret error codes, making it easier for you to communicate with mechanics.

Top 5 OBD-II Scanners

ScanTool OBDLink MX+

The ScanTool OBDLink MX+ offers lightning-fast performance and compatibility with a wide range of vehicles. Its advanced features include wireless connectivity and support for various third-party apps.

BlueDriver Bluetooth Pro OBD-II Scanner

BlueDriver’s user-friendly app interface sets it apart. It offers not only basic diagnostics but also repair reports and a database of fixes.

Autel MaxiCOM MK808 Diagnostic Scan Tool

This scanner’s large screen and extensive diagnostic capabilities make it a favorite among professionals. It offers bi-directional control and key coding, among other features.
5X Faster Battery Powered 🚀Bigger 4+64G 🚀 Newest Android 11.0

Innova 3150RS OBD-II Scanner

Innova’s scanner comes with a built-in repair solutions database, making it easier for beginners to understand and fix issues.
Live Data: See essential information about your vehicle in real-time (e.g. RPM, oil temp, etc.) to aid in diagnosis.
Display all vehicle information from when a trouble code was triggered.

Launch CRP123X Professional Scan Tool

With its sleek design, the Launch CRP123X offers a wide range of diagnostic functions and supports multiple languages.
3 Reset+ 4 Systems obd2 scanner 📱Android 7.0 OS and newly developed chips, 👆one-click lifetime FREE WiFi update, 16GB Memory and more…

Factors to Consider When Choosing an OBD-II Scanner


Before purchasing, ensure the scanner is compatible with your vehicle’s make and model.


Consider the diagnostic capabilities and features the scanner offers, such as live data streaming and bi-directional control.

User-Friendly Interface

A clear and intuitive interface makes using the scanner much easier, especially for beginners.

Wireless Connectivity

Wireless scanners provide convenience and flexibility in data retrieval and analysis.

Data Display and Analysis

The scanner’s ability to present and analyze data effectively is crucial for understanding your vehicle’s condition.

Build Quality and Durability

Invest in a scanner with good build quality that can withstand the rigors of automotive environments.

How to Use an OBD-II Scanner Effectively

  1. Locate the OBD-II Port: Find the port usually located under the dashboard near the steering column.
  2. Plug in the Scanner: Connect the scanner to the port and turn on your vehicle’s ignition.
  3. Read Error Codes: The scanner will retrieve error codes; use the manual or online resources to interpret them.
  4. Diagnose and Address Issues: Once you identify the issue, take appropriate measures to address it.

Maintenance Tips for Your Vehicle Using OBD-II Scanners

  • Regular Checkups: Use your OBD-II scanner for routine checkups to catch potential problems early.
  • Monitor Fluids: Keep an eye on vital fluids and receive alerts when levels are abnormal.
  • Track Mileage: Some scanners can track mileage and provide reminders for oil changes and other maintenance tasks.


OBD-II scanners have revolutionized vehicle maintenance and diagnostics. From professionals to enthusiasts, these tools have found their way into the hands of many.

By investing in a high-quality OBD-II scanner that suits your needs, you can save time, money, and stress while ensuring your vehicle’s optimal performance.


Can I use an OBD-II scanner on any car?

OBD-II scanners are designed to work with most cars manufactured after 1996 when the OBD-II standard was mandated.

Do OBD-II scanners provide real-time data?

Yes, many OBD-II scanners offer real-time data on various parameters like RPM, speed, and sensor readings.

Are wireless OBD-II scanners reliable?

Wireless OBD-II scanners are reliable for data retrieval, but signal interference can sometimes affect performance.

Is professional help needed to interpret error codes?

While some codes are straightforward, professional help may be needed for more complex issues.

Can I use my smartphone as an OBD-II scanner?

Yes, with the right adapter and app, you can turn your smartphone into a basic OBD-II scanner.